CFA Practice Question

There are 434 practice questions for this study session.

CFA Practice Question

As sample size increases, ______
A. critical values for t decrease.
B. degrees of freedom decrease.
C. confidence interval width increases.
Explanation: As sample size increases, degrees of freedom increase and critical values for t decrease. Thus, the amount added to or subtracted from the sample mean to create the confidence interval will decrease. Therefore, confidence interval width will decrease.

User Contributed Comments 4

User Comment
aakash1108 degrees of freedom increase, critical values decrease!
rrichmondo makes sense
showmethemoney nice question
yassine An increase in sample size would decrease the standard error. As a result CV decreases
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